baber/WOPTO huggingface dataset:
Patent KR-20030097394-A (KR)
Title: Universal Inverter for LCD panel testing
Inventor: LEE SEONG JU
IPC: G02F1/13
Filed: 2002-06-20
Abstract: PURPOSE: A universal inverter for inspecting an LCD panel is provided to realize the inspection of abnormality in a CCFL and a panel when producing and LCD from an LCD producing line by using an inverter regardless of the number of lamps, thereby removing the complicated and time-wasting work for the exchange of inverters. CONSTITUTION: A universal inverter for inspecting an LCD panel includes an interface(1) to be supplied with external power and control signals, and a selection control part(2) for outputting control signals to an inverter control IC according to a selection signal for a desired lamp. An inverter control part(3) includes the inverter control IC and generates a frequency for driving a transformer(5). The inverter control part carries out the dimming control and the protection. A driving part(4) serves as a power switch for supplying power to the transformer. The universal inverter serves to drive lamps incorporated in the LCD and to inspect the lamps as a test kit, thereby inspecting the defects of an LCD panel.
Patent KR-20030003026-A (KR)
Title: Room Temperature Curable Organopolysiloxane Composition
Inventor: FUJIKI HIRONAO
IPC: C08L83/06
Filed: 2002-06-26
Abstract: PURPOSE: To obtain a one-pack, room temperature-curable organopolysiloxane composition capable of giving a cured product which does not undergo deterioration in insulation resistance even when the voltage is applied in a high- temperature high-humidity environment and is excellent in electrolytic corrosion resistance. CONSTITUTION: The room temperature-curable organopolysiloxane composition comprises (a) an organopolysiloxane represented by formula (I), (b) an alkenoxysilane or a substituted alkenoxysilane compound represented by formula (II), or a partial hydrolyzate thereof, and (c) a siloxane bearing in one molecule at least one monovalent group represented by formula (III), at least two silicon atoms and at least three groups selected among alkyl, alkoxyl and alkenoxyl groups, or a partial hydrolyzate thereof.
Patent KR-20030003089-A (KR)
Title: A semiconductor device
Inventor: ONO SYOTARO
IPC: H01L29/78
Filed: 2002-06-28
Abstract: PURPOSE: To provide a semiconductor device such as a power MOSFET capable of reducing ON resistance by effectively lowering drift resistance components. CONSTITUTION: The semiconductor device is provided with a first conductivity type drain layer (12), a first conductivity type drift layer (8) on it, a second conductivity type base layer (10) on it, a first conductivity type source region (16) on it, and a trench gate provided with a gate insulation film (2) and a gate electrode (4) formed on the inner wall surface of a trench (T) to the drift layer through the base layer. The gate insulation film (2) is formed thicker at a part adjacent to the drift layer than at a part adjacent to the base layer. The drift layer (8) is provided with density gradation that a first conductivity type impurity density rises as approaching the drain layer along the depthwise direction of the trench near the drain layer.
Patent KR-20040005093-A (KR)
Title: Internal voltage source generator in semiconductor memory device
Inventor: CHUN GI CHEOL
IPC: G05F1/46
Filed: 2002-07-08
Abstract: PURPOSE: An internal power supply voltage generation circuit of a semiconductor memory device is provided to supply an internal power supply voltage of different levels selectively to an internal circuit of a chip by being adapted to an operation mode. CONSTITUTION: According to the semiconductor memory device comprising ports receiving an external power supply voltage(EVC) and an internal circuit(56) operating in response to the input of an internal power supply voltage, the internal power supply voltage generation circuit downs the external power supply voltage and then provides an internal power supply voltage of the first level to the internal circuit in response to the first operation mode, and clamps the external power supply voltage to a voltage of the second level lower than the first level and then provides it to the internal circuit in response to the second operation mode. The first operation mode is a normal operation mode and the second operation mode is a DPD mode, and they are complementary each other.
Patent KR-20020071801-A (KR)
Title: Pad for gas burner
Inventor: AHN SEON TAE
IPC: F23D14/84
Filed: 2002-08-01
Abstract: PURPOSE: A pad used in a gas burner is provided to achieve a radiation effect identical to a radiation effect of a conventional pad by stacking net members having a plurality of meshes in a multi-step. CONSTITUTION: A stainless net member forming an infrared ray pad(1) has a wire diameter of 0.14 to 0.6mm and a space rate of 35 to 65%. The infrared ray pad(1) is formed by using three stainless net bodies(2) having the wire diameter of 0.14mm, four stainless net bodies(2) having the wire diameter of 0.3mm, and a stainless net bodies(2) having the wire diameter of 0.6mm. The stainless net bodies are stacked from a bottom to a top in the order of wire diameter. The stainless net bodies are fixed by installing fixing rings(3a,3b) at peripheral portions of the stainless net bodies. A protecting net member(3c) is fixed to a lower end of the fixing rings(3a,3b).
Patent KR-20040013289-A (KR)
Title: Reaper
Inventor: LEE GYU HONG
IPC: A01D34/10
Filed: 2002-08-05
Abstract: PURPOSE: A mower is provided to reduce the risk of a device failure occurred by rapid rotation of a knife and prevent the risk that a stone or the like hit on the knife is sputtered to the circumference. CONSTITUTION: The mower comprises: a motor; a rod; a controller; and a cutting portion. The cutting portion comprises: a housing(20) fixed to the rod; a crank plate(30) accommodated within the housing(20) and connected to a driving shaft of the rod by a power transmission unit to be rotatable upon receipt of a power; two cranks rotatably connected to the upper and lower surface of the crank plate(30) so as to have a center of rotation at an eccentric portion; two blades(50,50') rotatably connected to one end of the two cranks, disposed in a manner that a plurality of knifes are contact to each other in a serrated shape, and sliding in the direction opposite to each other by the two cranks connected to the crank plate(30) converting a rotary movement into a linear movement as the crank plate(30) rotates; and a support(60) engaged to the outer surface of the two blades(50,50') contacting each other along with the two blades(50,50') and fixed to the housing(30) to guide linear movement of the two blades(50,50').
Patent KR-20040016108-A (KR)
Title: A cleaner with sterilizing water
Inventor: CHOI HYEOK
IPC: C02F1/78
Filed: 2002-08-16
Abstract: PURPOSE: Provided is a sterilizing water generator being capable of removing foreign matters in tap water and sterilizing the tap water in easy way, which does not cause secondary pollution. CONSTITUTION: The sterilizing water generator comprises a pre-treatment unit(200) connected to a tap water pipe line by a connection pipe(140) for filtering tap water, a valve(150) for controlling opening and closing the connection pipe(140), an ozone generator(300) with at least one electrolysis cell(320) being comprised of a pair of electrode plates for generating ozone in the pre-treated tap water, a sterilizing water supply pipe(160) for discharging water passed out the ozone generator(300), a power supply(130) for supplying power to the electrolysis cell(320), a switch for switching on and off the electrolysis cell(320), and a chloride tank(400) for feeding chloride into sterilizing water.
Patent KR-20040019129-A (KR)
Title: A Method of Setting the QoS supported bi-directional Tunnel and distributing L2 VPN membership Information for L2VPN using LDP-extension
Inventor: KIM MI HUI
IPC: H04L12/56
Filed: 2002-08-21
Abstract: PURPOSE: A method for setting an L2VPN(Layer 2 Virtual Private Network) bidirectional tunnel supporting a QoS function and distributing configuration information by using scalability of an LDP(Label Distribution Protocol) is provided to supply a VC connection with a tunnel connection by using an MPLS(Multi Protocol Label Switching) technology, and to supply an L2VPN control function in order to give a transparent LAN service, thereby implementing an easy setup and efficiency. CONSTITUTION: A PE(Provider Edge) 3(43) sets an additional CE(Customer Edge) 31(44), and sets a layer 2 connection between the PE 3(43) and the CE 31(44)(401). The PE 3(43) requests information on other PEs(402), and obtains information on a PE 1(41) and a PE 2(42)(403). If the PE 3(43) transmits a label mapping-request message to the PE 1(41)(404), the PE 1(41) sets a unilateral tunnel connection(405). The PE 3(43) checks whether a basic session exists, and if not, the PE 3(43) sets a new session and transmits a label mapping-request message to the PE 2(42)(406). The PE 2(42) sets the unilateral tunnel connection with the PE 3(43)(407). The PE 1(41) transmits a label mapping message to the PE 3(43)(408). The PE 3(43) sets the unilateral tunnel connection to the PE 1(41)(409). The PE 2(42) transmits a label mapping message to the PE 3(43)(410). The PE 3(43) sets a unilateral tunnel connection to the PE 2(42)(411).
Patent KR-20040022755-A (KR)
Title: System for cooling steering gear assembly
Inventor: CHO YEONG GYUN
IPC: B62D5/07
Filed: 2002-09-05
Abstract: PURPOSE: A cooling system of a steering gear assembly is provided to prevent temperature of oil in a steering gear from rising, and to improve steerability by decreasing temperature of oil with circulating coolant through the steering gear with the double structure of the steering gear. CONSTITUTION: A steering gear tube(100) is composed of an inner layer tube(110) and an outer layer tube(120), and a space part(130) is formed between the inner layer tube and the outer layer tube. The inner layer tube is filled with oil to operate the steering gear tube right and left, and surrounded by the outer layer tube to shield radiant heat from an engine or an exhaust pipe. A radiator is installed to the space part to circulate coolant, and an inlet(120a) and an outlet(120b) of the outer layer tube are communicated with an upper tank and a lower tank of the radiator by connecting pipes(210,210'). Coolant heated in the space part is converted into low temperature coolant with passing the radiator, and a coolant pump is installed between the radiator and the connecting pipes to lower temperature of oil flowing through the inner layer tube of the steering gear tube by circulating coolant to the space part of the steering gear tube.
Patent KR-20040024234-A (KR)
Title: Method for processing subscriber authentication in international mobile telecommunications-2000 data service system
Inventor: YOO GI SEONG
IPC: H04W12/06
Filed: 2002-09-13
Abstract: PURPOSE: A method for processing user authentication in an IMT-2000 data service system is provided to enable a PDSN to transmit user authentication signals to all AAA(Authentication Authorization Account) servers, and to process the received user authentication signals in the AAA servers, thereby reducing load of the AAA servers without performing a brokering function. CONSTITUTION: At the request of a terminal, a PDSN encodes an access request message to be transmitted to many AAA servers(S100). The PDSN transmits the encoded access request message to all the AAA servers through a broadcasting system(S200). The AAA servers decide whether the inputted access request message is included in self stations, and if so, the AAA servers perform authentication procedures and transmit response signals to the PDSN, and if the access request message is not included in the self stations, the AAA servers delete the access request message(S300). The PDSN transmits an authentication response message corresponding to an access approval message or an access rejection message to the terminal(S400).
Patent KR-20040024664-A (KR)
Title: Can opener with opening member for a straw
Inventor: LEE SANG HWA
IPC: B65D17/34
Filed: 2002-09-16
Abstract: PURPOSE: Provided is an opener of a can container with a stopper for a straw in which an opener dedicated to a straw is formed at a main opener on top of a can opener for kids or handicapped people who can't help drinking water by using a straw. CONSTITUTION: A main opener(12) is pivotally(13) coupled to the upper surface of a can container(10) so as to be rotatable. A mouse cut portion(14) is formed at the side of the main opener(12) so as to be opened by the lever principle of the main opener(12). A vertical down punching projection(16) is formed on the main opener(12) at the opposite side of the mouse cut portion(14). A cut portion(18) for a straw is formed at the position perpendicular to the punching projection(16).
Patent KR-20040026053-A (KR)
Title: A Manufacturing Method of Hot-Dip Galvannealed Steel Sheets Having Excellent Formability
Inventor: OH JI EUN
IPC: C22C38/14
Filed: 2002-09-17
Abstract: PURPOSE: A method for manufacturing hot-dip galvannealed steel sheet is provided which solves deficiency of plastic anisotropy and elongation, a problem of the hot-dip galvannealed steel sheet by selecting interstitial free steel to which Ti is exclusively added and controlling content of impurities in steel, particularly S to 0.002 wt.% or less. CONSTITUTION: The method comprises the steps of hot rolling a steel slab comprising 0.002 wt.% or less of C, 0.06 wt.% or less of Mn, 0.008 wt.% or less of P, 0.002 wt.% or less of S, 0.035 wt.% or less of Al, 0.07 to 0.09 wt.% of Ti, 0.002 wt.% or less of N and a balance of Fe and other inevitable impurities, wherein C+S+P+N is 0.014 wt.% or less; coiling the hot strip; cold rolling the coiled hot strip; annealing the cold rolled strip; and plating the annealed strip by dipping the annealed strip into a hot-dip galvanizing solution, wherein coiling temperature during coiling of the hot strip is 700 to 720 deg.C, wherein cold rolling reduction ratio during the cold rolling is 80 to 83%, and wherein annealing temperature during annealing of the cold rolled strip is 870 to 890 deg.C.
Patent KR-20040026518-A (KR)
Title: Multi-stage shifter of on-board workbench for working track lift for mdf room
Inventor: LEE SANG WOONG
IPC: B66F11/04
Filed: 2002-09-25
Abstract: PURPOSE: A multi-stage shifter of an on-board workbench of an automatically controlled track lift for an MDF(Main Distribution Frame) room is provided to make worker work easily in a comfortable position. CONSTITUTION: A multi-stage shifter of an on-board workbench of an automatically controlled track lift for an MDF(Main Distribution Frame) room comprises an operation part moving a rail installed between racks of the MDF of a telephone office, a hydraulic operating part serving the generation of the hydraulic pressure and the lifting on the operating part, a lifting work part having a driving operation plate, and a multi-stage shifter(2) installed to the lifting work part by a first and a second upper and lower guide bars(16.18,20,22) and a first and a second upper and lower ball guide brackets(24,26,28,30) assembled to the first and the second upper and lower guide bars.
Patent KR-20040027213-A (KR)
Inventor: YANG SANG YEOL
IPC: F16C11/10
Filed: 2002-09-27
Abstract: PURPOSE: A hinge device is provided to operate a hinge smoothly and to reduce noise and abrasion. CONSTITUTION: The hinge device contains a support bracket, a shaft, a spacer washer(13), a disk spring and a guide washer, wherein a wavy oil groove(27) is formed on one side or both sides of the space washer(13) and the guide washer.
Patent KR-20040031902-A (KR)
Title: Carrier Recovery device for High definition television and method there of
Inventor: HAN DONG SEOK
IPC: H04N5/44
Filed: 2002-10-07
Abstract: PURPOSE: An apparatus and a method for restoring carrier waves of a high definition television are provided to accurately and promptly restore carrier waves by using PN63 signals existing in a field synchronous signal repeated every field in a VSB(Vestigial Side Band) signal even if a pilot signal is not detected from the VSB signal. CONSTITUTION: An error corrector(410) multiplies a complex input signal having a real number part and an imaginary number part by a frequency signal for outputting a complex output signal. A switch(415) selects an output path for the complex output signal in response to a switch control signal. A switch control signal generator(420) generates the switch control signal in response to a result of detecting a pilot signal. A second error detector(440) receives the complex output signal and restores an error of the complex output signal by using the pilot signal included in the complex output signal. A first error detector(425) receives the complex output signal and a real number signal formed of the real number part of the complex output signal, detects a position of an error reference signal loaded in the complex output signal from the real number signal, and measures the change amount of an amplitude represented by the complex output signal for applying the measured value to an oscillator(455) of the second error detector.
Patent KR-20040031968-A (KR)
Title: Unidentified People Tracking Device Using Dual Cameras And Method Thereof
Inventor: LEE GI YEON
IPC: H04N7/18
Filed: 2002-10-08
Abstract: PURPOSE: An apparatus for tracking a trespasser using a double camera and a method thereof are provided to track a trespasser while taking photographs of a whole security area. CONSTITUTION: A first camera(10) is fixed by one end for taking photographs in an axial direction. An fisheye lens(12) is installed at the first camera for mapping images of a peripheral subject of the first camera as one image. A first rotating part(14) is installed to be rotative on the axis of the first camera. A second camera(18) is mounted on a second rotating part(16) rotatively movable at a predetermined angle independently from the rotary movement of the first rotating part. A judging unit judges the existence of a trespasser from a plurality of image signals of the first camera. A calculating unit calculates coordinates data of the trespasser based on the image signals of the first camera according to the judgement. A driving signal output unit generates driving signals to be transmitted to the first and second rotating parts based on the coordinates data to take a photograph of the trespasser. An image storage unit stores the images of the first camera and the second camera.
Patent KR-20040032441-A (KR)
Title: Measurement of frequency apparatus
Inventor: JANG SU HYEONG
IPC: G01R23/00
Filed: 2002-10-09
Abstract: PURPOSE: An apparatus for measuring a frequency is provided to measure accurately a frequency value and reduce a production cost by using a PLL(Phase Locked Loop) method. CONSTITUTION: An apparatus for measuring a frequency includes a PLL part(21), a frequency divider(22), a counter(23), and a CPU(Central Processing Unit)(24). The PLL part(21) compares a frequency of input power with the reference potential in order to obtain the same phase and the same frequency and outputs a pulse of the frequency of the amplified input power. The frequency divider(22) divides the output pulse of the PLL part and outputs the reference frequency. The counter(23) counts the frequency of the amplified input power according to a control signal. The CPU(24) outputs the control signal, receives a count value, and measures a frequency value by using an inputting ratio of the pulses.
Patent KR-20040035976-A (KR)
Inventor: YOO GYE SU
IPC: B01D53/14
Filed: 2002-10-14
Abstract: PURPOSE: A method for optimizing reaction in which high toxic sodium cyanide is changed into harmless sodium thiocyanate by sulfur by pre-calculating content of sulfur required for removing cyan that is an impurity of coke oven gas and properly maintaining content of sulfur in wet desulfurizing process is provided. CONSTITUTION: The method for refining coke oven gas in wet desulfurizing process comprises first step of supplying coke oven gas and sodium hydroxide (NaOH) into an absorption column(10), producing sodium hydrogen sulfide (NaHS) and sodium cyanide (NaCN) by reacting hydrogen sulfide (H2S) and hydrogen cyanide (HCN) contained in the coke oven gas with sodium hydroxide, and leaving out the sodium hydrogen sulfide and sodium cyanide and discharging the rest of gases; second step of calculating a set value of proper sulfur content required for refining the cyanogen from the measured values using a control computer(70) after continuously measuring an amount of cyanogen (CN) absorbed from the absorption column; third step of discharging the sodium thiocyanate (NaSCN) after producing sodium hydroxide and sulfur and sodium thiocyanate (NaSCN) by transferring the sodium hydrogen sulfide and sodium cyanide remained in the absorption column to a regeneration column(20) and supplying compressed air, catalyst and Na2Sx+1 as much as an amount corresponding to the set value calculated in the control computer into the regeneration column; and fourth step of supplying the Na2Sx+1 into a sulfur balancing tank(60) and resupplying the supplied Na2Sx+1 as much as an amount corresponding to the set value calculated in the control computer into the regeneration column after transferring sulfur produced in the regeneration column into a buffer tank(30) and supplying sodium hydroxide and hydrogen sulfide into the buffer tank, thereby producing Na2Sx+1.
Patent KR-20040034143-A (KR)
Title: Jig For Manufacturing The Spiral Type Heat Exchanger Device And Manufacturing Method Using The Jig
Inventor: LEE YEONG GIL
IPC: B23P15/26
Filed: 2002-10-21
Abstract: PURPOSE: A jig for manufacturing a spiral heat exchanger and a manufacturing method using the same are provided to easily and conveniently manufacture the spiral heat exchanger by simplifying the structure of the jig. CONSTITUTION: A jig for manufacturing a spiral heat exchanger(110) is composed of an inner spiral jig(100) and an outer spiral jig(90). The inner spiral jig includes an inner spiral groove(102) on which an inner spiral tube(116) is wound, an inner extended unit(106), and an inner tapered unit(104). The outer spiral jig includes an outer spiral groove(92) on which an outer spiral tube(114) are wound, an outer extended unit(94), and an outer tapered unit(96) contacting with the inner tapered unit.
Patent KR-20040038149-A (KR)
Title: method for decreasing defect
Inventor: PARK BO MIN
IPC: H01L21/336
Filed: 2002-10-31
Abstract: PURPOSE: A method for reducing defects is provided to easily reduce convex abnormal defects by forming an HSQ(Hydrogen Silsesquioxane) coating layer as a planarization layer on a gate structure. CONSTITUTION: A semiconductor substrate(10) including fine defects(12) is prepared. A conductive layer and a hard mask are sequentially formed on the resultant structure. An HSQ coating layer as a planarization layer is formed on the hard mask so as to remove the defects. The HSQ coating layer is annealed by RTP(Rapid Thermal Processing). By patterning the resultant structure, a gate structure(G2) is then formed.